Service difficulty report · Bulkhead · Boeing 7377H4

Difficulty date
April 7, 2020
Submitted
April 13, 2020
Operation
Air carrier
Aircraft
N712SW
Make and model
Boeing 7377H4
Aircraft serial
27846
Aircraft time
75,912 hours, 45,512 cycles
Part
Bulkhead
Condition
Cracked
Location
Fuselage
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

APEX AREA OF THE AFT PRESSURE BULKHEAD BSTA 1016 HAS A CRACK INDICATION FROM PROD WEB FASTENER INWARD CNTR-LOCATED BSTA 1016 BL 0 +R1 APPROX. 18.25' FROM CENTER OF INNER CIRCLE TEAR STRAP 154.5 ' FROM FUSELAGE UPPER SKIN REF PROVIDED PICTURES-REF NRC D378847 / AFT BULKHEAD BS 1016 CRACK AT FASTENER BL 0 + R1 FOUND TO BE OUT OF LIMITS PER SRM 53-80-08-1A-1. REPAIRED CRACK DAMAGE PER ER 20-02363 REV IR AND EA 20-153-00223 REV IR

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